UNKNOWN

ADAPTED_NOW

With $8.1 billion in revenue for 2025, Clayco specializes in the "art and science of building," providing fast track, efficient solutions for mission critical, industrial, life sciences, power & energy, aviation, commercial, institutional, residential and sports & entertainment related building projects. Clayco is a full-service, turnkey real estate development, master planning, architecture, engineering, and construction firm that safely delivers clients across North America the highest quality solutions on time, on budget, and above and beyond expectations.

Clayco

Project Manager, Engineering

FEED

OTHER

Ameren is seeking an experienced IT/Digital Project Manager to lead technology projects and initiatives across a variety of areas. Manage concurrent projects that may span applications, data, integrations, infrastructure, vendor solutions, and other technology initiatives.

Blue Ribbon Global Technologies

Sr IT Project Manager III

Ceipal

FULL_TIME

Maximus compensation is based on various factors including but not limited to job location, a candidate's education, training, experience, expected quality and quantity of work, required travel (if any), external market and internal value analysis including seniority and merit systems, as well as internal pay alignment. This role combines traditional project management experience with independent verification and validation (IV&V) responsibilities to evaluate program governance, project controls, risk management, schedule performance, quality management, and overall delivery effectiveness.

MAXIMUS provides business services to help governments operate health and human services programs, mostly at the state and national levels. The company's health services segment offers outsourced program management and administrative services,

Maximus

IV&V Project Manager

equestftpin

Bachelor's degree in Civil Engineering, Construction Management, or a business-related field with 3+ years as a Project Manager (preferred), or 5+ years as a Project Manager in construction. About the Role Raineri Construction is looking for a Project Manager to own the contractual and administrative side of assigned construction projects, partnering with the Project Superintendent who leads the jobsite.

YEAR

People Solutions Center

Project Manager at Raineri Construction

ea_via_bold

Bachelor's degree in Civil Engineering, Construction Management, or a business-related field with 3+ years as a Project Manager (preferred), or 5+ years as a Project Manager in construction. Raineri Construction is looking for a Construction Project Manager to own the contractual and administrative side of assigned construction projects, partnering with the Project Superintendent who leads the jobsite.

Construction Project Manager at Raineri Construction

BreezyHR

What you'll actually be doing: Supporting Project Managers and field teams on active construction projects Reviewing plans, specs, and submittals Coordinating with subcontractors and suppliers Tracking project progress, schedules, and documentation Helping solve jobsite challenges in real time Learning how projects are built-from the ground up. Why Project Engineers choose McGrath: Clear path to Project Manager - we promote from within Employee-owned - your growth = company success Hands-on experience - not stuck behind a desk all day Strong mentorship - learn from experienced PMs and field leaders Repeat clients + steady work - real projects, not constant chasing.

McGrath & Associates Inc

Construction Assistant Project Manager

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Progress updates and milestone completions will be submitted to the operations and customer service teams, and you will manage change orders and confirm material readiness in advance. If you are ready to take the next step in your construction and remodeling management career, we invite you to complete our initial 3-minute, mobile-friendly application today.

HOUR

Iconic Construction LLC

Construction Project Manager

HiringThing

What you will be doing at Woodard & Curran: Managing and executing work on municipal water system design, planning, and construction projects by leading and collaborating with our Operation and Maintenance Division, our multi-disciplinary teams within Woodard & Curran and with subconsultants. In collaboration with the Technical Manager, you will help lead the delivery of multiple projects, work directly with clients and internal teams, and support marketing and proposal efforts.

Woodard & Curran Inc

Drinking Water Project Manager

With $8.1 billion in revenue for 2025, Clayco specializes in the "art and science of building," providing fast track, efficient solutions for mission critical, industrial, life sciences, power & energy, aviation, commercial, institutional, residential and sports & entertainment related building projects. Own acceptance and quality gates - Run the traceability matrix and merge/acceptance gates: GC/GR byte-identical parity, arithmetic that reconciles to the cent, permission matrix with API-level redaction checks, concurrency, migrations, manual browser verification, and E2B Hub no-regression and read-only enforcement.

Project Manager, Preconstruction OS

Crelate

From furniture and workplace technology to architectural products and artwork, we collaborate with top Design and Architectural firms, Commercial Real Estate professionals, and General Contractors to bring our clients' visions to life. As a Project Manager I, you’ll take ownership of coordinating client projects from kickoff through installation, working across teams and with clients to deliver a smooth, high-quality experience.

CI Select

Project Manager I

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Project Manager, Electrical Procurement

From furniture and workplace technology to architectural products and artwork, we collaborate with top Design and Architectural firms, Commercial Real Estate professionals, and General Contractors to bring our clients' visions to life. As a Project Manager II, you’ll lead client projects from planning through installation—working across teams, managing details, and ensuring every project runs smoothly.

Project Manager II

PART_TIME

Depending on the project and the site you may: Supervise work through the planning and scheduling of work, and the review and approval of tasks, supervise in both their work assignments and performance development (appraisal), Supervise/manage/direct the selection, training and development and appraisal of personnel, and Supervise/manage/direct the selection, training, development, appraisal and work assignments of personnel. As the leading provider of temporary liquid handling solutions, we’re recognized for our systems engineering expertise, cost-effective problem solving, and the high value we deliver to organizations facing critical liquid management challenges.

Western Oilfields Supply Co

SWAT Project Manager

At MCC, an Intern works during the summer and has the opportunity to assist Project Managers with the following: Estimating - Describing project proposals and assigning dollar values to the projects. Design meetings - Attend design meetings with owner and team to understand design proposals from structural engineers and architects.

ARCO Construction Company Inc

Project Manager Intern Summer 2027

At MCC, an Intern works during the summer and has the opportunity to assist Project Managers with the following: Estimating- Describing project proposals and assigning dollar values to the projects. Because MCC is committed to creating opportunities for individual success, from day one, you will be given the tools to excel in your role, take on meaningful responsibilities, and experience why MCC is truly the best place to build your career.

Arco Construction

Project Manager Intern (Summer 2027)

Work encompasses entire projects, including the initial due diligence phase through conceptual/preliminary design phases, and all the way through the final design, construction, and record drawing phases. For ten consecutive years, we've been certified as a Great Place to Work, and our engineers, architects, surveyors, and scientists channel their passion and expertise into making meaningful contributions to the world around us.

Farnsworth Group Inc

Renewable Energy Civil Engineer/Project Manager

Gonzalez Companies is a partner managed firm that provides comprehensive Planning, Design, and Construction Management Services to large and small Water, Sewer and Utility Districts; Departments of Transportation; and municipalities. Working primarily in the Greater St. Louis, Chicago, and Louisville metro areas, Gonzalez offers a great work environment, generous benefit packages, and opportunities to succeed in many professional disciplines.

Gonzalez Companies

Senior Transportation Project Manager

PinpointHQ

Strong organization and time management skills Self-starter and motivated with minimal supervision Ability to prioritize and multi-task within time constraints Excellent written and verbal communication skills Professional in actions and appearance Effective interactions with customers, subcontractors, employees and assistants Strong computer skills Previous experience with P6 is preferred. EDUCATION + EXPERIENCE Qualified applicants will have: Degree in Construction Management or Construction Engineering or Civil Engineering 10 years experience in the construction industry 5-10 years of experience in a Project Manager or similar role Past experience in project organization and scheduling while remaining within budget.

The Korte Co

Project Manager

We have obtained multiple long-term projects and are looking to hire for positions across the U.S. Our project schedules are typically 6 days per week, 10 hr. This job will require travel across the U.S. Primary Focus: Work directly with Project Superintendent on any and all tasks necessary for successful completion of project.

Northern Clearing Inc

ECS is currently ranked #60 in Engineering News-Record's Top 500 Design Firms (April 2026), #148 in Engineering News-Record's Top 200 Environmental Firms (October 2025) and #38 in Zweig Group's Hot Firm List (June 2026). This role provides technical leadership, project oversight, client management, staff development, and financial accountability across multiple projects.

Why ECS? We have grit. What does that mean for you? We are problem solvers who approach obstacles with a fearless attitude. From trekking knee deep through swamplands to rappelling off of buildings, we do whatever it takes to safely get the job done! We have guts. The footprint of our company allows us to be nimble. With exceptional expertise and locations across the nation, we have the strength to support your project. We are resilient. We will ask the right questions, listen to your concerns and deliver. The opportunities to collaborate and think outside the box are infinite.  We take initiative. The work we do sometimes does not have an easy solution. It takes drive, determination and the ability to connect people and ideas to achieve remarkable results.   We bring tenacity. To put it plainly, we provide geotechnical engineering, construction materials testing, environmental consulting, and facilities engineering services. From conception to completion, our boots are made for working.
 
To find out more about ECS: <a href="http://www.ecslimited.com">www.ecslimited.com</a>

Project Manager Jobs in Saint Charles, MO

Project Manager, Engineering Clayco

Sr IT Project Manager III Blue Ribbon Global Technologies

IV&V Project Manager Maximus

Project Manager at Raineri Construction People Solutions Center

Construction Project Manager at Raineri Construction People Solutions Center

Construction Assistant Project Manager McGrath & Associates Inc

Construction Project Manager Iconic Construction LLC

Drinking Water Project Manager Woodard & Curran Inc

Project Manager, Preconstruction OS Clayco

Project Manager I CI Select

Project Manager, Electrical Procurement Clayco

Project Manager II CI Select

SWAT Project Manager Western Oilfields Supply Co

Project Manager Intern Summer 2027 ARCO Construction Company Inc

Project Manager Intern (Summer 2027) Arco Construction

Renewable Energy Civil Engineer/Project Manager Farnsworth Group Inc

Senior Transportation Project Manager Gonzalez Companies

Project Manager The Korte Co

Project Manager Northern Clearing Inc

Environmental Senior Project Manager Engineering Consulting Services Ltd

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